Home / 119,726.82-165,220.83-66,016.80

Finding the Fourth Proportional to 119,726.82, 165,220.83 and 66,016.80

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Solution

The fourth proportional to 119,726.82, 165,220.83 and 66,016.80 is: 91,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,726.82 : 165,220.83 = 66,016.80 : x
  2. Step 2: Convert to fraction form
    119,726.82/165,220.83 = 66,016.80/x
  3. Step 3: Cross multiply
    119,726.82x = 165,220.83 × 66,016.80
  4. Step 4: Simplify right side
    119,726.82x = 10,907,350,489.94
  5. Step 5: Solve for x
    x = 10,907,350,489.94/119,726.82
  6. Step 6: Final answer
    x = 91,101.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.